linux-kernel - Re: [PATCH v1 5/6] x86/boot: Allow longer parameter list for earlyprintk

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Message-ID: <20180116155133.d7dknmm6vodpsqfb@gmail.com>
Date:   Tue, 16 Jan 2018 16:51:33 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 5/6] x86/boot: Allow longer parameter list for
 earlyprintk


* Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:

> On Tue, 2018-01-16 at 04:11 +0100, Ingo Molnar wrote:
> > * Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > 
> > > Allow longer parameter list for earlyprintk to support new coming
> > > parameters.
> > > 
> > > No functional change intended.
> 
> > BTW., what happens if the parsed string is longer than this buffer?
> 
> It will be cut up to 63 characters IIUC.

Ok, that's fine!

Could you please add a comment that explains the limit and the (benign) effects if 
we go past it?

Thanks,

	Ingo